参数资料
型号: WJLXT907ALCA4
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: ROHS COMPLIANT, LQFP-64
文件页数: 24/48页
文件大小: 621K
代理商: WJLXT907ALCA4
Intel
LXT901A/907A Universal 3.3 V Ethernet Transceiver
30
Datasheet
Document Number: 249098
Revision Number: 003
Revision Date: 27-Nov-2005
Output fall time
TCLK & RCLK
CMOS
––
7
12ns
CLOAD= 20 pF
TTL
7
8
ns
CLKI rise time (externally driven)
10
ns
CLKI duty cycle (externally
driven)
––
40/60
%
Supply current
Normal Mode
ICC
65
85
mA
Idle Mode
ICC
95
120
mA
Transmitting on TP
ICC
–95
120
mA
Transmitting on
AUI
Power Down
Mode
ICC
–0.03
2
mA
Table 7.
AUI Electrical Characteristics
Parameter
Symbol
Min
Typ
1
Max
Units
Test Conditions
Input Low current
IIL
––
-700
A–
Input High current
IIH
––
500
A–
Differential output voltage
VOD
±550
±1200
mV
Differential squelch threshold
VDS
150
250
350
mV
5 MHz square wave
input
1. Typical values are at 25°C and are for design aid only, are not guaranteed, and are not subject to
production testing.
Table 8.
TP Electrical Characteristics
Parameter
Symbol
Min
Typ
1
Max
Units
Test Conditions
Transmit output impedance
ZOUT
–5
Ω
Transmit timing jitter addition
2
––
±3.3
±10
ns
0 line length for
internal MAU
Transmit timing jitter added by the
MAU and PLS sections
2, 3
––
±3.3
±5.5
ns
After line model
specified by IEEE
802.3 for 10BASE-T
internal MAU
1. Typical values are at 25°C and are for design aid only, are not guaranteed, and are not subject to
production testing.
2. Parameter is guaranteed by design; not subject to production testing.
3. IEEE 802.3 specifies maximum jitter additions at 1.5 ns for the AUI cable, 0.5 ns from the encoder, and
3.5 ns from the MAU.
Table 6.
I/O Electrical Characteristics (Continued)
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
1. Typical values are at 25°C and are for design aid only, are not guaranteed, and are not subject to
production testing.
2. Limited functional tests are performed at these input levels. The majority of functional tests are performed
at levels of 0V and 3V.
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